(Q1) Take a point A on X-axis and B on Y-axis and find area of the triangle AOB. Discuss with your friends what did they do.
Y
X
A
B
(0,0)
(0,6)
(5,0)
[Axes are perpendicular to each other]
Consider the points A(5,0) and B(0,6).
ΔAOB=
1
2
×base×height
=
1
2
×
×
=
sq.units
Area of a triangle A(x,0),O(0,0) and B(0,y) is
1
2
xy.
Clear